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A001272 as a simple table

n a(n)
1 3
2 4
3 5
4 6
5 7
6 8
7 10
8 15
9 19
10 41
11 59
12 61
13 105
14 160
15 661
16 2653
17 3069
18 3943
19 4053
20 4998
21 8275
22 9158
23 11164
24 43592
25 59961

[3,4,5,6,7,8,10,15,19,41,59,61,105,160,661,2653,
 3069,3943,4053,4998,8275,9158,11164,43592,59961]

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Last modified February 27 12:47 EST 2020. Contains 332306 sequences. (Running on oeis4.)